System security jobs in columbia, md

Maryland

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8d ago

Job Description WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern

Full-time

USD 123,500.00 - 217,695.00 per year

Information System Security Engineer

Arlington, Virginia

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Today

Job ID: 2614441 Location: Arlington, VA, US Date Posted: 2026-07-09 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking an Information System Security Engineer (ISSE) to join our team. This position is in Arlington, VA and requires an active Top Secret/SCI clearance. Job responsibilities include, but are

Full-time

USD 120,001.00 - 160,000.00 per year

Information System Security Engineer

Washington, District of Columbia

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Today

A growing cybersecurity firm is seeking an Information Systems Security Engineer to support the security of federal cloud and enterprise systems. This is a hybrid role based in Washington, DC, focused on cloud security engineering, secure architecture, and integrating security throughout the system lifecycle. Responsibilities Design and implement security controls across Azure, AWS, and enterprise environments. Assess cloud architectures, networking, firewalls, and security configurations. Int

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Contract

$70 - $75

Information System Security Officer (ISSO)

Arlington, Virginia

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Today

Description & Requirements Maximus is seeking a highly skilled Information Systems Security Operator (ISSO) to join our team in Rosslyn, VA. The ideal candidate will be responsible for ensuring the security and integrity of our information systems by implementing and maintaining robust security measures. This includes developing and enforcing security policies, conducting regular security audits, and staying up to date with the latest cybersecurity threats and trends. This position if fully ons

Full-time

USD 116,500.00 per year

Information System Security Engineering (ISSE)

Alexandria, Virginia

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5d ago

Job Title: Information System Security Engineering (ISSE) Location(s): Quantico, VA Hours: Regular Full-Time Clearance Requirements This position requires a current and active TS/SCI with Poly at the time of application. What you will be doing: The ISSE shall provide CI and HUMINT support ensuring software designs and prototypes are compliant per Supply Chain Risk Management (SCRM) requirements. The minimum skill level is Senior level. Mid-level contractor personnel work independently with

Full-time

Senior Information System Security Officer (TS SCI) - PLACEMENT

Oxon Hill, Maryland

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Today

Job#: 3041514 Job Description: Senior Information System Security Officer Location: Washington, DC (Hybrid) Work Environment This position is currently 100% remote. However, candidates must be located within a local radius of Washington, D.C., and be available to come onsite occasionally if requested. PLEASE NOTE: Candidates must be able to obtain and/or maintain a Department of Defense Secret TS/SCI security clearance as a condition and continuation of employment* (sponsorship unavailable)

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Full-time

$75 - $75 per hour

Intermediate Information System Security Officer - PLACEMENT

Oxon Hill, Maryland

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Today

Job#: 3041524 Job Description: (100% Remote / DMV Area) - ISSO / Cybersecurity Analyst - ** $67.00 - $72.00 / Hourly Rate ** Apex Systems has an Immediate Need for a (100% Remote) ISSO / Cybersecurity Analyst that lives in the Area of Washington DC / Maryland / Northern VA !! This will be an "est. 6 Month Contract to Permanent Hire" opportunity, supporting one of our Largest DoD / Government Clients across the East Coast! Please See Below for all Position Details & How To Apply. HOW TO APPLY

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Full-time

$67 - $67 per hour

Senior Information System Security Engineer (ISSE)

Alexandria, Virginia

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Today

Description Join us in transforming how technology serves those who serve. At Leidos, we\'re not just delivering solutions - we\'re pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a singular purpose: empowering our customers to succeed in their critical missions. We believe in leading with integrity, investing in our communities, and building sustainably for tomorrow. Shape the future of digital defense. Our Digital Sector is at the fore

Full-time

USD 131,300.00 - 237,350.00 per year

Information System Security Engineer

Washington, District of Columbia

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Today

MANTECH seeks a motivated, career and customer-oriented Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA, Quantico, VA, or Huntsville, AL. Responsibilities include, but are not limited to: Identify information protection needs for an IS and Network Environment. Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirementsDesign security architectures for use within the IS and Network Environment. De

Full-time

Senior Cloud Information System Security Engineer

Washington, District of Columbia

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Today

MANTECH seeks a motivated, career and customer-oriented Senior Cloud Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA or Quantico, VA. Responsibilities include, but are not limited to: Identify information protection needs for an IS and Network Environment. Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirementsDesign security architectures for use within the IS and Network Environment. Desig

Full-time

Physical Security System Designer

Remote or West Palm Beach, Florida

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Physical Security System Designer in West Palm Beach, FL. Key Responsibilities: * Design, deploy, and produce security design sets for access control, video management/CCTV, intrusion detection/alarm, intercom, and perimeter protection systems: device placement on floor plans, coverage analysis, and cabling/conduit and power requirements * Develop system architecture, engineering drawings, network diagrams, and technical requirements/speci

Full-time

$75,000 - $100,000 annually

Senior System Engineer (Email Security Migration)

Washington, District of Columbia

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5d ago

Senior System Engineer (Email Security) Washington, DC - 100% ONSITE Compensation: W2 or C2C Per Federal contract U.S. Citizenship Required Security Clearance: Must be able to pass Federal background check Application Deadline: 9/11/2026 Responsibilities: Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. Design, configure, and maintain Proofpoint as a

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Contract

Depends on Experience

Information System Security Manager (ISSM)

Laurel, Maryland

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Today

Description Do you love solving problems while enabling impactful research to operate securely? Are you passionate about making meaningful contributions to national security cyber missions? Do you like collaborating with a team with varied strengths to tackle complex problems which enable research across space exploration, cybersecurity, national defense, and cutting edge technologies? If so, we're looking for someone like you to join our team at APL. We are ranked as one of Computerworld '

Full-time

USD 105,000.00 per year

Information System Security Officer

Elkridge, Maryland

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Today

Requisition ID: 3908Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Elkridge, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking an Information System Security Officer to work with application leads, system administrators, database administrators, developers, and testers to ensure assigned systems are security compliant and achieve or maintain Authority to Operate (ATO).

Full-time

Senior Information System Security Officer

Elkridge, Maryland

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Today

Requisition ID: 3910Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Elkridge, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Senior Information System Security Officer to work with application leads, system administrators, database administrators, developers, and testers to ensure assigned systems are security compliant and achieve or maintain Authority to Operate

Full-time

Cleared Hybrid Information System Security Officer (5420)

Maryland

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Today

SMX is seeking an experienced Information System Security Officer (ISSO) to support a mission-critical federal program. This individual will serve as a cybersecurity professional responsible for ensuring the security, compliance, and operational integrity of enterprise information systems supporting critical mission functions. The selected candidate will work closely with System Owners (SOs), Business Process Owners, Information System Security Managers (ISSMs), and cybersecurity leadership on m

Full-time

USD 103,000.00 - 171,800.00 per year

Information System Security Officer

Washington, District of Columbia

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Today

Requisition ID: 3924Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Washington, DCWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking an Information System Security Officer to work with application leads, system administrators, database administrators, developers, and testers to ensure assigned systems are security compliant and achieve or maintain Authority to Operate (ATO

Full-time

Senior Information System Security Officer

Annapolis, Maryland

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Today

Leidos has a new and exciting opportunity for a Senior Information System Security Officer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match a

Full-time

USD 131,300.00 - 237,350.00 per year

Senior Information System Security Officer (ISSO)

Washington, District of Columbia

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Today

Description Quantum Sky is searching for a Senior Information System Security Officer (ISSO) to be responsible for the overall handling of information assurance expertise for a large, complex IT infrastructure program in Washington DC. Systems are deployed using a public cloud service provider to deliver advanced capabilities to the Federal government using IaaS, PaaS, and SaaS service models. This role is responsible for researching, generating, and validating security controls that support t

Full-time

USD 140,000.00 per year

Senior Information System Security Officer

Washington, District of Columbia

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Today

Requisition ID: 3762Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Washington, DCWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Senior Information Systems Security Officer responsible for safeguarding computer networks and systems to ensure data security, integrity, and confidentiality at the highest standards. Essential Duties and Responsibilities Designs, develops

Full-time

System security jobs in Columbia, MD, USA